<template>
  <ContentField v-if="!$store.state.user.pulling_info">
    <div class="row justify-content-md-center">
      <div class="col-3">
        <form @submit.prevent="login">
          <div class="mb-3">
            <label for="username" class="form-label">用户名</label>
                        <input v-model="username" type="text" class="form-control" id="username" placeholder="请输入用户名">
          </div>
          <div class="mb-3">
            <label for="password" class="form-label">密码</label>
                        <input v-model="password" type="password" class="form-control" id="password" placeholder="请输入密码">
          </div>
          <div class="error-message">{{ error_message }}</div>
          <button type="submit" class="btn btn-primary">提交</button>
        </form>
      </div>
    </div>
  </ContentField>
</template>

<script>
import ContentField from '../../../components/ContentField.vue'
import { useStore } from 'vuex'
import { ref } from 'vue'
import router from '../../../router/index'

export default {
  components: {
        ContentField
  },
  setup() {
    const store = useStore();
        let username = ref('');
        let password = ref('');
        let error_message = ref('');

    const jwt_token = localStorage.getItem("jwt_token");
    if (jwt_token) {
      store.commit("updateToken", jwt_token);
      store.dispatch("getinfo", {
        success() {
          router.push({ name: "home" });
          store.commit("updatePullingInfo", false);
        },
        error() {
          store.commit("updatePullingInfo", false);
                }
            })
    } else {
      store.commit("updatePullingInfo", false);
    }

    const login = () => {
      error_message.value = "";
      store.dispatch("login", {
        username: username.value,
        password: password.value,
        success() {
          store.dispatch("getinfo", {
            success() {
                            router.push({ name: 'home' });
                        }
                    })
        },
        error() {
          error_message.value = "用户名或密码错误";
                }
            })
        }

    return {
      username,
      password,
      error_message,
      login,
        }
    }
}
</script>

<style scoped>
button {
  width: 100%;
}
div.error-message {
  color: red;
}
</style>
